Home / 196,243.20-293,781.60-172,915.20

Finding the Fourth Proportional to 196,243.20, 293,781.60 and 172,915.20

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Solution

The fourth proportional to 196,243.20, 293,781.60 and 172,915.20 is: 258,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,243.20 : 293,781.60 = 172,915.20 : x
  2. Step 2: Convert to fraction form
    196,243.20/293,781.60 = 172,915.20/x
  3. Step 3: Cross multiply
    196,243.20x = 293,781.60 × 172,915.20
  4. Step 4: Simplify right side
    196,243.20x = 50,799,304,120.32
  5. Step 5: Solve for x
    x = 50,799,304,120.32/196,243.20
  6. Step 6: Final answer
    x = 258,858.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.